. >>> we're live in boston. gn we get closer to another important round of results. back here at the cnn election center. i'm wolf blitzer. counting down to poll closing in four more states. the battleground state of iowa, montana, and nevada, and another swing state, and finally, utah. together, those states have another 21 electoral votes, every vote i believe is vital to getting to the winning total of 270. both presidential campaigns are prepared for a long night. let's check in with jessie yellin and candy crowley. jessica, first to you,n over th? >> hi, wolf. the energy picked up as we made projections. still a long night ahead. they are excited. iowa and nevada, two battleground states that the obama campaign felt good about. nevada, the latino vote and their work organizing there. harry reid has a great organization. iowa, 18 points ahead, obama campaign was in the early vote heading into today, wolf. >> let's go to boston. candy, what's it like over there? >> well, they are still waiting, i have to tell you, a number of people are showing up, either, you kno